Move guest_view to extensions.

chrome/browser/guest_view/web_view/web_view_permission_helper.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_
 #define CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/user_metrics_action.h"
 #include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/media_stream_request.h"
 #include "extensions/browser/guest_view/guest_view_constants.h"
 
 using base::UserMetricsAction;
 
+namespace extensions {
+
 class WebViewGuest;
 
 // WebViewPermissionHelper manages <webview> permission requests. This helper
 // class is owned by WebViewGuest. Its purpose is to request permission for
 // various operations from the <webview> embedder, and reply back via callbacks
 // to the callers on a response from the embedder.
 class WebViewPermissionHelper
       : public content::WebContentsObserver {
  public:
   explicit WebViewPermissionHelper(WebViewGuest* guest);
@@ skipping 176 matching lines @@
 
   std::map<int, int> bridge_id_to_request_id_map_;
 
   WebViewGuest* web_view_guest_;
 
   base::WeakPtrFactory<WebViewPermissionHelper> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelper);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_PERMISSION_HELPER_H_